In the old days, when TV’s were square and MacGyver was cool we would all sit down and force-fed whatever came down the tube. Now, we have a world of entertainment at our fingertips. We can enjoy whatever we want, whenever it suits.

Scientists working in the field of nanotechnology deal with objects so vanishingly small, it’s hard to imagine them. Sizes here are measured in nanometres. To put this in perspective, the head of a pin is a million nanometres wide.